[1]
A. Naveira, «On the Total (NonAbsolute) Curvature of a Even Dimensional Submanifold xn Immersed in a R n+2», Rev. mat. complut., vol. 7, n.º 2, p. 279, ene. 1994, doi: https://doi.org/10.5209/rev_REMA.1994.v7.n2.17741